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V-Lab

PowerBank Corp GJR-GARCH Volatility Analysis

Volatility prediction for Monday, October 5th, 2026

1 Day

152.54%

increased by 44.14%

1 Week

148.77%

increased by 40.37%

1 Month

139.10%

increased by 30.70%

Analysis last updated: Friday, October 2, 2026 at 10:54 PM UTC

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Date Range:

from

10/02/2024

to

10/02/2026

6M ·

1Y ·

2Y ·

All

graph of PowerBank Corp GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 8, 2024 to Oct 2, 2026

Model Insight

Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 8-day half-life
ParamValuet-stat
ωconst4.8347
1.75*
αARCH0.3567
1.54
βGARCH0.6733
4.95***
γleverage-0.2174
-0.98

0.921

Persistence

8d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.8347
1.75*
α

ARCH

Response to squared shocks

0.3567
1.54
β

GARCH

Volatility persistence

0.6733
4.95***
γ

leverage

Additional response to negative shocks

-0.2174
-0.98

Persistence:

0.921

Half-life:

8 days